Using input demo for PDA with LabVIEW PDA Module 7.1

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Hi,

i´m trying to develop an app that will have to work with the camera in my PDA (model: Qtek 2020).
My app has to be able to use the camera button, not to open the default camera application but open my own camera application.
I have already found a camera API that will allow me to work with the camera using .NET.
My problem is working with the camera button. I have tried LabVIEW example (...\National Instruments\LabVIEW 7.1\examples\PDA\input\input demo.vi and also attached) but it doesn´t
returns the value of the camera button. Also, the default camera application doesn´t open when i press it.
Because the default camera application doesn´t open, LabVIEW knows that the button exists, so why doesn´t it returns it value?

If anyone has any suggestion for using the camera on a PDA with LabVIEW PDA Module, i would appreciate.

Thanks,

Pedro Sampaio
Computer and Telecommunications Engineer Student
ESTG - IPLeiria, Portugal